This Toolcraft Logo'd Nitride BCG is made with a carpenter 158 bolt. Bolt is magnetic particle inspected (MPI) for a uniform quality and operational reliability.
DETAILS
Manufacturer: Toolcraft
Caliber: 5.56/.223
Bolt Finish: Nitride
Bolt Steel: Carpenter No. 158 Steel
Profile: Full Auto Profile
Gas Key: Grade 8 Hardened Fasteners, Staked per MilSpec
Product Details